Dataset Information

The complete mitochondrial genome of heartbreak grass Gelsemium elegans (Gardner & Champ.) Benth. (Gelsemiaceae).

ABSTRACT: Gelsemium elegans, endemic to southern Asia, is a highly toxic plant with various medicinal functions. The complete mitochondrial genome of G. elegans was sequenced and assembled in this study. The genome is 405,990?bp in length and contains 37 protein-coding genes, 20 tRNA genes, and 3 rRNA genes. The phylogenetic tree based on 15 protein-coding genes common to six mitochondrial genomes in Gentianales support that G. elegans of Gelsemiaceae is sister to Apocynaceae.

SUBMITTER: Jin YH

PROVIDER: S-EPMC7707408 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature

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The complete mitochondrial genome of heartbreak grass Gelsemium elegans (Gardner & Champ.) Benth. (Gelsemiaceae).

Jin Yong-Hui YH Wu Jun-Jie JJ Peng Yong-Qing YQ Hu Shu-Hang SH Yan Hai-Shan HS Xiao Fan F Zhou Xuan X Gao Jing J Wang Rui-Hong RH Xu Ling L Qi Zhe-Chen ZC

Mitochondrial DNA. Part B, Resources 20191023 2

Gelsemium elegans, endemic to southern Asia, is a highly toxic plant with various medicinal functions. The complete mitochondrial genome of G. elegans was sequenced and assembled in this study. The genome is 405,990 bp in length and contains 37 protein-coding genes, 20 tRNA genes, and 3 rRNA genes. The phylogenetic tree based on 15 protein-coding genes common to six mitochondrial genomes in Gentianales support that G. elegans of Gelsemiaceae is sister to Apocynaceae. ...[more]

PMID: 33366159

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Project description:Gelsemium elegans (Gardner and Champ.) Benth. (Gelsemiaceae) (GEB) is a toxic plant indigenous to Southeast Asia especially China, and has long been used as Chinese folk medicine for the treatment of various types of pain, including neuropathic pain (NPP). Nevertheless, limited data are available on the understanding of the interactions between ingredients-targets-pathways. The present study integrated network pharmacology and experimental evidence to decipher molecular mechanisms of GEB against NPP. The candidate ingredients of GEB were collected from the published literature and online databases. Potentially active targets of GEB were predicted using the SwissTargetPrediction database. NPP-associated targets were retrieved from GeneCards, Therapeutic Target database, and DrugBank. Then the protein-protein interaction network was constructed. The DAVID database was applied to Gene Ontology and Kyoto Encyclopedia of Genes and Genome pathway enrichment analysis. Molecular docking was employed to validate the interaction between ingredients and targets. Subsequently, a 50 ns molecular dynamics simulation was performed to analyze the conformational stability of the protein-ligand complex. Furthermore, the potential anti-NPP mechanisms of GEB were evaluated in the rat chronic constriction injury model. A total of 47 alkaloids and 52 core targets were successfully identified for GEB in the treatment of NPP. Functional enrichment analysis showed that GEB was mainly involved in phosphorylation reactions and nitric oxide synthesis processes. It also participated in 73 pathways in the pathogenesis of NPP, including the neuroactive ligand-receptor interaction signaling pathway, calcium signaling pathway, and MAPK signaling pathway. Interestingly, 11-Hydroxyrankinidin well matched the active pockets of crucial targets, such as EGFR, JAK1, and AKT1. The 11-hydroxyrankinidin-EGFR complex was stable throughout the entire molecular dynamics simulation. Besides, the expression of EGFR and JAK1 could be regulated by koumine to achieve the anti-NPP action. These findings revealed the complex network relationship of GEB in the "multi-ingredient, multi-target, multi-pathway" mode, and explained the synergistic regulatory effect of each complex ingredient of GEB based on the holistic view of traditional Chinese medicine. The present study would provide a scientific approach and strategy for further studies of GEB in the treatment of NPP in the future.

Dataset Information

The complete mitochondrial genome of heartbreak grass Gelsemium elegans (Gardner & Champ.) Benth. (Gelsemiaceae).

Publications

The complete mitochondrial genome of heartbreak grass <i>Gelsemium elegans</i> (Gardner & Champ.) Benth. (Gelsemiaceae).

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